CVE-2018-1333

mediumpriority · track · 36EPSS 0.165 · 97 %ileEURUUS

grimoire priorityP1 · Urgent

Exploitable?

—

no known exploitation

Likely / severe?

16.5% (97th) EPSS

CVSS 5 · medium

Is it mine?

19 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

By specially crafting HTTP/2 requests, workers would be allocated 60 seconds longer than necessary, leading to worker exhaustion and a denial of service. Fixed in Apache HTTP Server 2.4.34 (Affected 2.4.18-2.4.30,2.4.33).

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.06.9mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

v3.15.3mediumAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Lsecondary · FSTEC (BDU) RU

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-400USprimaryCWE-400US

affected products (19)

Products and version ranges known to be affected.

Apache Software Foundation Apache HTTP Server≤ Fixed in Apache HTTP Server 2.4.34 (Affected 2.4.18-2.4.30,2.4.33)enisa_euvdEU
Apache Software Foundation HTTP Server≤ 2.4.33fstec_bduRU
Apache Software Foundation HTTP Server2.4.18 → 2.4.30fstec_bduRU
Canonical Ltd. Ubuntu≤ 18.04 LTSfstec_bduRU
NetApp Inc. Cloud Backupall versionsfstec_bduRU
NetApp Inc. Storage Automation Storeall versionsfstec_bduRU
АО «НТЦ ИТ РОСА» ROSA Virtualization≤ 2.1fstec_bduRU
АО «НТЦ ИТ РОСА» ROSA Virtualization 3.0≤ 3.0fstec_bduRU
ООО «РусБИТех-Астра» Astra Linux Common Edition≤ 2.12 «Орёл»fstec_bduRU
ООО «РусБИТех-Астра» Astra Linux Special Edition≤ 1.6 «Смоленск»fstec_bduRU
Сообщество свободного программного обеспечения Debian GNU/Linux≤ 9fstec_bduRU
Сообщество свободного программного обеспечения Debian GNU/Linux≤ 8fstec_bduRU
Сообщество свободного программного обеспечения Debian GNU/Linux≤ 10fstec_bduRU
apache http server2.4.18 → 2.4.30nvdUScpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*
apache http server= 2.4.33nvdUScpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*
canonical ubuntu linux= 18.04nvdUScpe:2.3:o:canonical:ubuntu_linux:*:*:*:*:*:*:*:*
netapp cloud backupall versionsnvdUScpe:2.3:a:netapp:cloud_backup:*:*:*:*:*:*:*:*
netapp storage automation storeall versionsnvdUScpe:2.3:a:netapp:storage_automation_store:*:*:*:*:*:*:*:*
redhat jboss core services= 1.0nvdUScpe:2.3:a:redhat:jboss_core_services:*:*:*:*:*:*:*:*

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2018-06-18modified 2026-06-17

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+9608 more

references (67)

External citations — patches, advisories, analysis.

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